LA4742 Selling Leads, Price trend, LA4742 DataSheet download, circuit diagram from SeekIC.com

Features: • Maximum output power: 45 W * 4 channels (VCC = 14.4 V, 4 load, 1 kHz)• 40 W * 4 channels (VCC = 13.7 V, 4 load, 1 kHz)• Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor.Specification...

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SeekIC No. : 004390402 Detail

LA4742: Features: • Maximum output power: 45 W * 4 channels (VCC = 14.4 V, 4 load, 1 kHz)• 40 W * 4 channels (VCC = 13.7 V, 4 load, 1 kHz)• Requires only seven external components and do...

LA4742 Data Sheet

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Part Number:: LA4742
Supply Ability:: 5000

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1~5000

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Negotiable

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Recent History
What is this?

LA4700N evaluate
Features: ·Low pop noise at the time of power supply ON/OFF·Excellent oscillation stabilitySpecifi...
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Features: `High power: supports total output of 25 W + 25 W (VCC = 14.4 V, THD = 30%, RL = 4 )`Les...
LA4708 evaluate
Features: `High power: supports total output of 30 W + 30 W (VCC = 13.2 V, THD = 30%, RL = 4 )`Sup...

Product Details

Description

Features:

• Maximum output power: 45 W * 4 channels (V_CC = 14.4 V, 4 load, 1 kHz)
• 40 W * 4 channels (V_CC = 13.7 V, 4 load, 1 kHz)
• Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor.

Specifications

Parameter	Symbol	Conditions	Ratings	Unit
Maximum supply voltage	V_CC max1	Signal present	18	V
Maximum supply voltage	V_CC max2	No signal (for 1 minute)	26	V
Maximum output current	I_Opeak		4.5/ch	A
Allowable power dissipation	Pd max	With an arbitrarily large heat sink	50	W
Operating temperature	Topr		40 to +85	°C
Storage temperature	Tstg		40 to +150	°C
Package thermal resistance	jc		1	°C/W

Description

The LA4742 is a 45 W 4-channel power amplifier IC for car stereo systems. It features a built-in bridge circuit and the ability to radically reduce the number of external components required.

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LA4742

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